Chris@41: /*
Chris@41: ** Copyright (c) 2003-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
Chris@41: ** All rights reserved.
Chris@41: **
Chris@41: ** This code is released under 2-clause BSD license. Please see the
Chris@41: ** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
Chris@41: */
Chris@41: 
Chris@41: #include <stdio.h>
Chris@41: #include <stdlib.h>
Chris@41: #include <string.h>
Chris@41: 
Chris@41: #include <samplerate.h>
Chris@41: 
Chris@41: #include "util.h"
Chris@41: 
Chris@41: #define	BUFFER_LEN		10000
Chris@41: 
Chris@41: static void float_to_short_test (void) ;
Chris@41: static void short_to_float_test (void) ;
Chris@41: 
Chris@41: static void float_to_int_test (void) ;
Chris@41: static void int_to_float_test (void) ;
Chris@41: 
Chris@41: int
Chris@41: main (void)
Chris@41: {
Chris@41: 	puts ("") ;
Chris@41: 
Chris@41: 	float_to_short_test () ;
Chris@41: 	short_to_float_test () ;
Chris@41: 
Chris@41: 	float_to_int_test () ;
Chris@41: 	int_to_float_test () ;
Chris@41: 
Chris@41: 	puts ("") ;
Chris@41: 
Chris@41: 	return 0 ;
Chris@41: } /* main */
Chris@41: 
Chris@41: /*=====================================================================================
Chris@41: */
Chris@41: 
Chris@41: static void
Chris@41: float_to_short_test (void)
Chris@41: {
Chris@41: 	static float fpos [] =
Chris@41: 	{	0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3
Chris@41: 		} ;
Chris@41: 	static float fneg [] =
Chris@41: 	{	-0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3
Chris@41: 		} ;
Chris@41: 
Chris@41: 	static short out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
Chris@41: 
Chris@41: 	int k ;
Chris@41: 
Chris@41: 	printf ("\tfloat_to_short_test ............................. ") ;
Chris@41: 
Chris@41: 	src_float_to_short_array (fpos, out, ARRAY_LEN (fpos)) ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
Chris@41: 		if (out [k] < 30000)
Chris@41: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 
Chris@41: 	src_float_to_short_array (fneg, out, ARRAY_LEN (fneg)) ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
Chris@41: 		if (out [k] > -30000)
Chris@41: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 
Chris@41: 	puts ("ok") ;
Chris@41: 
Chris@41: 	return ;
Chris@41: } /* float_to_short_test */
Chris@41: 
Chris@41: /*-------------------------------------------------------------------------------------
Chris@41: */
Chris@41: 
Chris@41: static void
Chris@41: short_to_float_test (void)
Chris@41: {
Chris@41: 	static short input	[BUFFER_LEN] ;
Chris@41: 	static short output	[BUFFER_LEN] ;
Chris@41: 	static float temp	[BUFFER_LEN] ;
Chris@41: 
Chris@41: 	int k ;
Chris@41: 
Chris@41: 	printf ("\tshort_to_float_test ............................. ") ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
Chris@41: 		input [k] = (k * 0x8000) / ARRAY_LEN (input) ;
Chris@41: 
Chris@41: 	src_short_to_float_array (input, temp, ARRAY_LEN (temp)) ;
Chris@41: 	src_float_to_short_array (temp, output, ARRAY_LEN (output)) ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
Chris@41: 		if (ABS (input [k] - output [k]) > 0)
Chris@41: 		{	printf ("\n\n\tLine %d : index %d   %d -> %d\n", __LINE__, k, input [k], output [k]) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 
Chris@41: 	puts ("ok") ;
Chris@41: 
Chris@41: 	return ;
Chris@41: } /* short_to_float_test */
Chris@41: 
Chris@41: /*=====================================================================================
Chris@41: */
Chris@41: 
Chris@41: static void
Chris@41: float_to_int_test (void)
Chris@41: {
Chris@41: 	static float fpos [] =
Chris@41: 	{	0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3
Chris@41: 		} ;
Chris@41: 	static float fneg [] =
Chris@41: 	{	-0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3
Chris@41: 		} ;
Chris@41: 
Chris@41: 	static int out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
Chris@41: 
Chris@41: 	int k ;
Chris@41: 
Chris@41: 	printf ("\tfloat_to_int_test ............................... ") ;
Chris@41: 
Chris@41: 	src_float_to_int_array (fpos, out, ARRAY_LEN (fpos)) ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
Chris@41: 		if (out [k] < 30000 * 0x10000)
Chris@41: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 
Chris@41: 	src_float_to_int_array (fneg, out, ARRAY_LEN (fneg)) ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
Chris@41: 		if (out [k] > -30000 * 0x1000)
Chris@41: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 
Chris@41: 	puts ("ok") ;
Chris@41: 
Chris@41: 	return ;
Chris@41: } /* float_to_int_test */
Chris@41: 
Chris@41: /*-------------------------------------------------------------------------------------
Chris@41: */
Chris@41: 
Chris@41: static void
Chris@41: int_to_float_test (void)
Chris@41: {
Chris@41: 	static int input	[BUFFER_LEN] ;
Chris@41: 	static int output	[BUFFER_LEN] ;
Chris@41: 	static float temp	[BUFFER_LEN] ;
Chris@41: 
Chris@41: 	int k ;
Chris@41: 
Chris@41: 	printf ("\tint_to_float_test ............................... ") ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
Chris@41: 		input [k] = (k * 0x80000000) / ARRAY_LEN (input) ;
Chris@41: 
Chris@41: 	src_int_to_float_array (input, temp, ARRAY_LEN (temp)) ;
Chris@41: 	src_float_to_int_array (temp, output, ARRAY_LEN (output)) ;
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
Chris@41: 		if (ABS (input [k] - output [k]) > 0)
Chris@41: 		{	printf ("\n\n\tLine %d : index %d   %d -> %d\n", __LINE__, k, input [k], output [k]) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 
Chris@41: 	puts ("ok") ;
Chris@41: 
Chris@41: 	return ;
Chris@41: } /* int_to_float_test */
Chris@41: